Select Setup > Lists > Credit Cards. The Credit Cards Setup window appears.
o To delete a credit card, select the credit card and then click You will be prompted to confirm this action.
o To edit a credit card, double-click the credit card name. Make your modification to the credit card name and then click to save the change.
o To create a credit card, click The New Credit Card Type window appears. Enter a new credit card and then click to save it.